.page-faq {
  --faq-sticky: 6.5rem;
}

.page-faq .faq-hero {
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(1.5rem, 3vw, 2.5rem);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 2rem;
  align-items: start;
}

.page-faq .faq-hero__title {
  font-size: clamp(2.1rem, 6.4vw, 3.9rem);
  line-height: 1.03;
  letter-spacing: -0.01em;
  margin: 0.7rem 0 1rem;
}

.page-faq .faq-hero__lede {
  max-width: 48ch;
  color: var(--text-dim);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--glass);
  color: var(--text-dim);
  font-size: 0.82rem;
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease, background-color var(--dur) ease;
}

.page-faq .faq-chip .mono {
  color: var(--cyan);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background: var(--ink-panel);
}

.page-faq .faq-hero__media {
  margin: 0;
  padding: 0.5rem;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-faq .faq-hero__media figcaption {
  margin-top: 0.5rem;
  padding-inline: 0.25rem;
  color: var(--text-mute);
}

/* 快捷处境切换 */
.page-faq .faq-quick {
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-quick .section__head {
  margin-bottom: 1rem;
}

.page-faq .faq-quick__body {
  border: 1px solid var(--line);
  background: var(--ink-hull);
  border-radius: var(--radius);
  padding: 1rem;
}

.page-faq .faq-quick__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 0.75rem;
}

.page-faq .faq-quick__tabs .tabs__btn {
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-dim);
  font-size: 0.85rem;
  padding: 0.4rem 0.95rem;
  cursor: pointer;
  transition: color var(--dur) ease, border-color var(--dur) ease, background-color var(--dur) ease;
}

.page-faq .faq-quick__tabs .tabs__btn[aria-selected="true"] {
  color: var(--ink-void);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-faq .faq-quick__tabs .tabs__btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-quick__panel {
  animation: faq-fade 200ms ease both;
}

.page-faq .faq-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-list strong {
  color: var(--text);
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 两列：编号索引 + 问答 */
.page-faq .faq-layout {
  display: grid;
  gap: 1.5rem;
  padding-block: clamp(1.5rem, 3vw, 2.5rem) clamp(2.5rem, 5vw, 4rem);
}

.page-faq .faq-index {
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
}

.page-faq .faq-index__head {
  margin: 0 0 0.75rem;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.45rem 0.5rem;
  border-left: 2px solid var(--line-soft);
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--dur) ease, border-color var(--dur) ease, background-color var(--dur) ease;
}

.page-faq .faq-index__num {
  color: var(--cyan);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
  background: var(--ink-panel);
}

.page-faq .faq-index__note {
  color: var(--text-mute);
  border-left: 2px solid var(--line);
  padding-left: 0.6rem;
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-block {
  scroll-margin-top: var(--faq-sticky);
  padding-block: 1.25rem 1.75rem;
  border-top: 1px solid var(--line);
}

.page-faq .faq-block:first-child {
  border-top: none;
  padding-top: 0;
}

.page-faq .faq-block__head {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.page-faq .faq-block__num {
  flex: none;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan-press);
  letter-spacing: 0.02em;
}

.page-faq .faq-block__head .headline {
  margin: 0 0 0.25rem;
}

.page-faq .faq-block__head .note {
  margin: 0;
  color: var(--text-mute);
}

/* 折叠问答 */
.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-hull);
  margin-bottom: 0.65rem;
  overflow: hidden;
  transition: border-color var(--dur) ease, background-color var(--dur) ease;
}

.page-faq .qa:hover {
  border-color: var(--line);
}

.page-faq .qa[open] {
  border-color: var(--cyan-press);
  background: var(--ink-panel);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.95rem 1rem;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 0.97rem;
  font-weight: 600;
  line-height: 1.55;
  transition: color var(--dur) ease;
}

.page-faq .qa__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa__marker {
  flex: none;
  margin-top: 0.55em;
}

.page-faq .qa__sign {
  margin-left: auto;
  flex: none;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.4;
  transition: transform var(--dur) ease, color var(--dur) ease;
}

.page-faq .qa[open] .qa__sign {
  transform: rotate(45deg);
  color: var(--cyan);
}

.page-faq .qa__a {
  padding: 0 1rem 1rem 2.35rem;
  color: var(--text-dim);
  font-size: 0.93rem;
  line-height: 1.75;
}

.page-faq .qa__a p {
  margin: 0;
}

.page-faq .qa__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 插图 */
.page-faq .faq-figure {
  margin: 1rem 0 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  padding: 0.5rem;
  border-radius: var(--radius);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-faq .faq-figure figcaption {
  margin-top: 0.5rem;
  color: var(--text-mute);
}

/* 联系面板 */
.page-faq .faq-cta {
  margin-top: 1rem;
  padding: 1.15rem;
  border: 1px solid var(--line);
  background: var(--ink-deep);
}

.page-faq .faq-cta__title {
  margin: 0.25rem 0 1rem;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
}

.page-faq .faq-kv {
  margin: 0 0 1.15rem;
  display: grid;
  gap: 0.1rem;
}

.page-faq .faq-kv__row {
  display: grid;
  gap: 0.15rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-kv__row dt {
  color: var(--text-mute);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
}

.page-faq .faq-kv__row dd {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font-mono);
  word-break: break-word;
}

@media (min-width: 720px) {
  .page-faq .faq-kv__row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0.75rem;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.25rem;
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky);
    border-top: none;
    padding-top: 0;
    max-height: calc(100vh - var(--faq-sticky) - 1.5rem);
    overflow-y: auto;
  }

  .page-faq .faq-quick__body {
    padding: 1.25rem 1.5rem 1.35rem;
  }

  .page-faq .faq-block {
    padding-block: 1.75rem 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__panel {
    animation: none;
  }

  .page-faq .qa__sign,
  .page-faq .faq-chip,
  .page-faq .faq-index__link {
    transition: none;
  }
}
<<<END>>>